ForexFin
ForexFin
Week 2026-W40 (Sep 28, 2026 – Oct 2, 2026): the strongest of the eight major currencies was CHF (+1.35%) and the weakest was EUR (-0.91%), measured as the mean percentage change of each currency against its seven peers over 5 trading sessions. The most volatile major pair was USD/CHF at 9.4% annualized. Source: ECB reference rates via frankfurter.dev.As of Oct 2, 2026 close
| Currency | Weekly strength | vs USD | vs EUR |
|---|---|---|---|
| 1. CHF | +1.35% | +0.62% | +1.99% |
| 2. USD | +0.64% | +0.00% | +1.36% |
| 3. GBP | +0.10% | -0.47% | +0.89% |
| 4. JPY | +0.06% | -0.50% | +0.86% |
| 5. CAD | +0.04% | -0.52% | +0.84% |
| 6. NZD | -0.51% | -1.00% | +0.34% |
| 7. AUD | -0.75% | -1.21% | +0.14% |
| 8. EUR | -0.91% | -1.34% | +0.00% |
| Pair | Annualized vol | Week change |
|---|---|---|
| EUR/USD | 4.6% | -1.34% |
| GBP/USD | 4.7% | -0.47% |
| USD/JPY | 5.7% | +0.50% |
| USD/CHF | 9.4% | -0.62% |
| AUD/USD | 2.5% | -1.21% |
| USD/CAD | 3.4% | +0.52% |
| NZD/USD | 3.2% | -1.00% |
| EUR/GBP | 2.5% | -0.88% |
| EUR/JPY | 6.8% | -0.85% |
| GBP/JPY | 5.0% | +0.03% |
Relative strength is the mean percentage change of each currency against its seven peers between the first and last
daily close of the week. A reading of +0.50% means the currency gained, on average, half a percent against
the other majors. Realized volatility is the standard deviation of daily log returns of each pair over the week,
annualized by ×√252. Full formulas are on the methodology page; the data
pipeline is documented in the docs.
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